Title:
LASER BEAM MACHINE
Document Type and Number:
WIPO Patent Application WO/1999/058289
Kind Code:
A1
Abstract:
A reflection laser beam diameter adjuster (9) is provided above a lateral frame (3) so that the distance from a machining head (5) to the adjuster (9) is shorter than 8 m. Thus, even when the beam is diverged after it passes the adjuster (9), the deviation of the focal position can be kept within 0.6 mm, whereby high quality machining can be achieved.
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Inventors:
KANAOKA MASARU (JP)
MURAI TOHRU (JP)
MIYAMOTO YASUYUKI (JP)
MURAI TOHRU (JP)
MIYAMOTO YASUYUKI (JP)
Application Number:
PCT/JP1998/002102
Publication Date:
November 18, 1999
Filing Date:
May 13, 1998
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
KANAOKA MASARU (JP)
MURAI TOHRU (JP)
MIYAMOTO YASUYUKI (JP)
KANAOKA MASARU (JP)
MURAI TOHRU (JP)
MIYAMOTO YASUYUKI (JP)
International Classes:
B23K26/04; B23K26/06; (IPC1-7): B23K26/04; B23K26/06
Foreign References:
| JPH08318383A | 1996-12-03 | |||
| JPS6160288A | 1986-03-27 | |||
| JPH01166894A | 1989-06-30 | |||
| JPH07185861A | 1995-07-25 |
Attorney, Agent or Firm:
Sakai, Hiroaki (2-6 Kasumigaseki 3-chom, Chiyoda-ku Tokyo, JP)
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